Question_191.md

LeetCode Records - Question 191 Number of 1 Bits

Attempt 1: Count the last bit

class Solution {
    public int hammingWeight(int n) {
        int count = 0;

        for (int i = 0; i < 32; i++) {
            int val = n & 0x1;
            if (val != 0) {
                count++;
            }
            n >>= 1;
        }

        return count;
    }
}

• Runtime: 0 ms (Beats: 100.00%)
• Memory: 40.91 MB (Beats: 11.20%)